Home / 354,233,845.65-531,504,231.09-190,280,311.95

Finding the Fourth Proportional to 354,233,845.65, 531,504,231.09 and 190,280,311.95

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Solution

The fourth proportional to 354,233,845.65, 531,504,231.09 and 190,280,311.95 is: 285,502,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,233,845.65 : 531,504,231.09 = 190,280,311.95 : x
  2. Step 2: Convert to fraction form
    354,233,845.65/531,504,231.09 = 190,280,311.95/x
  3. Step 3: Cross multiply
    354,233,845.65x = 531,504,231.09 × 190,280,311.95
  4. Step 4: Simplify right side
    354,233,845.65x = 101,134,790,894,550,080
  5. Step 5: Solve for x
    x = 101,134,790,894,550,080/354,233,845.65
  6. Step 6: Final answer
    x = 285,502,901.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.